12504953 has 2 divisors, whose sum is σ = 12504954. Its totient is φ = 12504952.

The previous prime is 12504941. The next prime is 12504977. The reversal of 12504953 is 35940521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 29929 = 3532^2 + 173^2 .

It is an emirp because it is prime and its reverse (35940521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12504953 - 2⁶ = 12504889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12504923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252476 + 6252477.

It is an arithmetic number, because the mean of its divisors is an integer number (6252477).

Almost surely, 2^12504953 is an apocalyptic number.

It is an amenable number.

12504953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504953 is an equidigital number, since it uses as much as digits as its factorization.

12504953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 12504953 is about 3536.2342965364. The cubic root of 12504953 is about 232.1100906855.

The spelling of 12504953 in words is "twelve million, five hundred four thousand, nine hundred fifty-three".